Study reveals how effective Pfizer vaccine is against Omicron

New analysis

New analysis released from South Africa suggests that two doses of the Pfizer-BioNTech coronavirus vaccine are considerably less effective in battling the Omicron variant compared to earlier strains.

The study, published by Discovery Health in partnership with the South African Medical Research Council, was released on Tuesday and indicates that two doses of the Pfizer vaccine are only 33% effective against infection amid the current Omicron-dominated wave.

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